ClassCastException in table from CloneSchema

> select * from scott_clone.emp;
+-------+------------+-----------+-------+----------+---------+---------+--------+
| EMPNO |   ENAME    |    JOB    |  MGR  | HIREDATE |   SAL   |  COMM   | DEPTNO |
+-------+------------+-----------+-------+----------+---------+---------+--------+
java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.Short
	at org.apache.calcite.avatica.util.AbstractCursor$ShortAccessor.getShort(AbstractCursor.java:466)
	at org.apache.calcite.avatica.AvaticaSite.get(AvaticaSite.java:362)
	at org.apache.calcite.avatica.AvaticaResultSet.getObject(AvaticaResultSet.java:381)
	at sqlline.Rows$Row.<init>(Rows.java:157)